CN109195765A - For manufacturing the molded element of lower noise tyre surface - Google Patents
For manufacturing the molded element of lower noise tyre surface Download PDFInfo
- Publication number
- CN109195765A CN109195765A CN201680086237.3A CN201680086237A CN109195765A CN 109195765 A CN109195765 A CN 109195765A CN 201680086237 A CN201680086237 A CN 201680086237A CN 109195765 A CN109195765 A CN 109195765A
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- CN
- China
- Prior art keywords
- groove
- rib
- molded element
- notch plate
- thickness
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
- B29D30/0606—Vulcanising moulds not integral with vulcanising presses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/13—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
- B60C11/1307—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove walls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/13—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
- B60C11/1353—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove bottom
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
- B29D30/0606—Vulcanising moulds not integral with vulcanising presses
- B29D2030/0607—Constructional features of the moulds
- B29D2030/0612—Means for forming recesses or protrusions in the tyres, e.g. grooves or ribs, to create the tread or sidewalls patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C2011/0337—Tread patterns characterised by particular design features of the pattern
- B60C2011/0339—Grooves
- B60C2011/0341—Circumferential grooves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/13—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
- B60C11/1307—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove walls
- B60C2011/1338—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove walls comprising protrusions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/13—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
- B60C11/1353—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove bottom
- B60C2011/1361—Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove bottom with protrusions extending from the groove bottom
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention provides a kind of for manufacturing the molded element of the mold of the tyre surface of tire, the tyre surface has the multiple contact elements limited by multiple grooves, the molded element has molded surface and groove form ribs part, the molded surface is used to form the contact surface of the contact element being intended for during rolling with ground face contact, groove form ribs part be used to form groove and two including being used to form two opposite groove sides opposite rib sides with two rib sides are connected and are used to form the rib tops of groove bottom, groove form ribs part provides the space for leading at least one of the rib tops and/or the rib side and is received in the space and is used to form the insertion piece for closing device in a part and groove of groove , the insertion piece includes at least one with thicknesst1Notch plate, the notch plate include at least one be used to form close device flexible fence recess.
Description
Technical field
The present invention relates to a kind of molded elements, particularly a kind of to close device for manufacturing to have in groove
The molded element of the mold of the tyre surface of tire.
Background technique
Groove resonance is occurred in the air column limited because of the groove in tyre surface and between the road surface of tire interface
Resonance and generate.The frequency of groove resonance depends on the air formed between groove and road surface in contact block
The length of column.
The resonance of this groove leads to assemble interior noise and external noise on the vehicle of this tire, the inside and
The frequency of external noise is usually near the 1kHz of human ear sensitivity.
In order to reduce this groove resonance, it is known that be arranged in each groove multiple thin made of rubbery material
The closing device of flexible fence (baffle) form.Effectively, the area of section in each flexible fence covering groove is complete
Portion or at least major part.Each flexible fence can extend from groove bottom, or from limit this groove decorative pattern
At least one of ditch side wall extends.Because relatively thin, each flexible fence has to be bent, and is cut with opening groove
Face, to make the water flowing on road surface, particularly on moist road.
Due to this flexible fence, the length of air column is reduced, thus the overall length of the groove shorter than in contact block
Degree, this frequency shift that groove is resonated.This change of resonant frequency is so that the sound pair generated by groove resonance
Human ear is less sensitive.
In order to keep drain function, the rainy day drive in the case where, this flexible fence must in the presence of hydraulic pressure with
Suitable mode is bent, to open the section of groove.It has been proposed reducing decorative pattern using such closing device
Several solutions of the groove resonance of ditch.
WO2013/178473A1 discloses a kind of for manufacturing in groove equipped at least one flexible wall in Fig. 4
The method of the tyre surface of the tire of (closing device), method includes the following steps: molding has groove and at least one connection
The tyre surface of element, the connecting element are horizontally installed in the groove, so that the side wall of the groove is connected；
And the connecting element is cut in the junction of each side wall with the groove.However, in this way, this tire
The productivity in face is low, because this method needs to cut the additional process (process) of connecting element after molding.
WO2013/120783A1 discloses a kind of for moulding the tire equipped at least one closing device in Fig. 3
The mold of tyre surface, the mold include two cavitys separated by first element for flexible fence.
Mold with the above-mentioned cavity for flexible fence has been manufactured by milling and/or casting technique.
However, the productivity of this molded element is low since milling and casting technique are complicated.Therefore, it is necessary to improve to be used for
Molding is equipped with the productivity for closing the molded element of the tyre surface of flexible fence of device.
Further, since being difficult to form the cavity with accurate dimension by milling and/or casting technique, it is difficult to be had
The tyre surface of the accurate flexible fence of thickness, to be difficult to bending needed for realizing liquid discharge by hydrodynamic.
Therefore, it is necessary to a kind of molded element, the molded element can mould the flexible fence with precise thickness, so that
The flexible fence that must be molded can be suitably bent to be used for liquid discharge by hydrodynamic.
Definition:
" tire " refers to all types of elastic tyres, whether is it bearing internal pressure.
" tyre surface " of tire refers to by a certain amount of rubber material of side surface and two main surface limits, described two masters
One of surface is intended for when tire rolls and ground face contact.
" mold " refers to the set when the separated molded element of time limit annular molding space close to each other.
" molded element " of mold refers to a part of mold.Molded element is, for example, mold sections.
" molded surface " of molded element refers to the surface for being intended for moulding tread surface of mold.
" groove " is the space between two rubber face/side walls, and described two rubber face/side walls are rolled from usual
Under the conditions of do not contact and be connected by another rubber face/bottom.Groove has width and depth.
Therefore, the purpose of the present invention is to provide a kind of for manufacturing the molded element of the mold of the tyre surface of tire, this mould
The productivity for manufacturing and being equipped in groove and closing the tyre surface of device can be improved in element processed, while ensuring to close the flexibility of device
The precise thickness of fence.
Summary of the invention
The present invention provides a kind of for manufacturing the molded element of the mold of the tyre surface of tire, and the tyre surface has by multiple
Multiple contact elements that groove limits, the molded element have molded surface and groove form ribs part, the mould
Control surface is used to form the contact surface of the contact element being intended for during rolling with ground face contact, the groove at
Shape rib portion is used to form groove and two opposite ribs including being used to form two opposite groove sides
Side with two rib sides are connected and are used to form the rib tops of groove bottom, groove form ribs portion
Divide and the space for leading at least one of the rib tops and/or the rib side is provided and is received in the space
In and be used to form in a part and groove of groove closing device insertion piece, the insertion piece includes at least one
With thicknesst1Notch plate, the notch plate include at least one be used to form close device flexible fence recess.
This configuration improves the productivity that the tyre surface of multiple flexible fences for closing device is equipped in groove, simultaneously
Ensure the precise thickness for closing device.
Since insertion piece includes being more readily formed to enclose a part for the groove for forming tyre surface and the flexibility of closing device
At least one notch plate of necessary shape for column, this reduces the processing duration for manufacturing this insertion piece, thus
Improve the productivity for manufacturing the molded element for being equipped with the tyre surface of multiple flexible fences for closing device in groove.
Notch plate due to being used for flexible fence in insertion piece, which may be easy to be prepared into, accurately has predetermined thickness,
Multiple flexible fences of the closing device with precise thickness can be formed, liquid is presented to allow to close the flexible fence of device
Bending needed for discharge.
Since insertion piece includes at least one at least one recess for being used to form the flexible fence for closing device
With thicknesst1Notch plate, therefore the freedom degree of the flexible fence of design and locating closing device can be increased.
In another preferred embodiment, notch plate includes a recess for leading to rib tops.
According to the configuration, it is possible to manufacture the tyre surface for being equipped in groove and closing the flexible fence of device, the closing
The flexible fence of device extends from groove bottom and has more accurate thickness, is presented with allowing to close the flexible fence of device
Bending needed for liquid discharge.
In another preferred embodiment, notch plate includes at least one recess for leading at least one of rib side.
According to the configuration, it is possible to manufacture the tyre surface for being equipped in groove and closing the flexible fence of device, the closing
The flexible fence of device extends from least one of groove side wall and has more accurate thickness, to allow to close device
Bending needed for liquid discharge is presented in flexible fence.
In another preferred embodiment, notch plate includes two recesses, wherein each recess respectively leads to different ribs
Side.
According to the configuration, it is possible to manufacture the tyre surface for being equipped in groove and closing the flexible fence of device, the closing
The flexible fence of device respectively extends and has more accurate thickness since two opposite groove side walls, to allow to close device
Flexible fence present liquid discharge needed for bending.
In another preferred embodiment, notch plate includes three recesses, and one of recess leads to rib tops, and in addition two
A recess respectively leads to different rib sides.
According to the configuration, it is possible to the tyre surface for being equipped in groove and closing the flexible fence of device is manufactured, one of them
Flexible fence extends from groove bottom, and other two flexible fence is respectively since two opposite groove side walls extend, and
And the flexible fence has more accurate thickness, it is curved needed for the flexible fence presentation liquid discharge of device to allow to close
Song simultaneously effective broadly covers the cross-sectional area of groove as far as possible and maintains the flexible fence for having as device is closed
Tyre surface good productivity, because the area of section covered by each flexible fence can be reduced, and can make soft
Property fence configuration have higher flexibility.
In another preferred embodiment, insertion piece further includes at least one with thicknesst2But do not have the branch of any recess
Fagging, the support plate and the notch plate are adjacent to placement.
According to the configuration, it is possible to be easily adjusted the thickness of insertion piece, to compensate the thickness in the space, ensure simultaneously
Close the precise thickness of the flexible fence of device.
In another preferred embodiment, the thickness of notch platet1With the thickness of support platet2It is at most equal to 2.0mm.
If the thickness of these thickness, i.e. notch platet1And/or the thickness of support platet2Greater than 2.0mm, then because of these
Thickness will be substantially equal to close device flexible fence thickness, so by molded element molding closing device will it is too thick and
It cannot be bent under hydrodynamic to be discharged for liquid.These thickness existt1Witht2Between can be identical,t1Witht2Between
It can be different.
The thickness of these thickness, i.e. notch platet1With the thickness of support platet2Preferably up to it is equal to 0.8mm, more preferably
At most equal to 0.7mm, and still more preferably at least equal to 0.02mm and at most equal to 0.6mm.
If being provided with multiple notch plates, the thickness of each notch plate in a single insertion piecet1It can change.
If being provided with multiple support plates, the thickness of each support plate in a single insertion piecet2It can change.
In another preferred embodiment, the notch plate is placed between the support plate.
According to the configuration, it is possible to the thickness of insertion piece is easily adjusted, to compensate the thickness in the space, while really
Protect the precise thickness for closing the flexible fence of device.
Detailed description of the invention
Other features and advantages of the present invention will show from the description carried out referring to the attached drawing below, and the attached drawing is shown
The embodiment of the present invention as non-limiting example.
In these figures:
Fig. 1 is the tire for the tire being molded using the mold of the molded element including first embodiment according to the present invention
The schematic plan view in face；
Fig. 2 is the amplification schematic plan view for showing the part that II is designated as in Fig. 1；
Fig. 3 is the schematic cross section along the line III-III interception in Fig. 1；
Fig. 4 is the schematic isometric of a part of the molded element for being not inserted into part of first embodiment according to the present invention
Figure；
Fig. 5 is the schematic isometric of a part of the molded element with insertion piece of first embodiment according to the present invention
Figure；
Fig. 6 is the schematic diagram of the notch plate of first embodiment according to the present invention；
Fig. 7 is the exploded perspective view of the insertion piece used in the first embodiment of the present invention；
Fig. 8 is the schematic diagram of the notch plate of second embodiment according to the present invention；
Fig. 9 is the schematic diagram of the notch plate of third embodiment according to the present invention；
Figure 10 is the schematic diagram of the notch plate of fourth embodiment according to the present invention.
Specific embodiment
The preferred embodiment of the present invention is described below with reference to the accompanying drawings.
The mould of the tyre surface 101 for manufacturing tire of embodiment according to the present invention is described below with reference to Fig. 1 to Fig. 6
The molded element 1 of tool, the mold including molded element 1 and tyre surface 101 made of moulding and vulcanize using the mold.
Fig. 1 is the tire for the tire being molded using the mold of the molded element including first embodiment according to the present invention
The schematic plan view in face.Fig. 2 is the amplification schematic plan view for showing the part that II is designated as in Fig. 1.Fig. 3 is along Fig. 1
In line III-III interception schematic cross section.Fig. 4 is the mould for being not inserted into part of first embodiment according to the present invention
The schematic perspective view of a part of element processed.Fig. 5 is the molding member with insertion piece of first embodiment according to the present invention
The schematic perspective view of a part of part.Fig. 6 is the schematic diagram of the notch plate of first embodiment according to the present invention.Fig. 7 is root
According to the exploded perspective view of the configuration of the insertion piece of the first embodiment of the present invention.
Tyre surface 101 is the tyre surface with the tire of size 205/55R16, and including be intended for during rolling with ground
The contact surface 102 of face contact and the multiple grooves 103 extended along the tire circumferential direction for being designated as XX '.Groove 103 by
The restriction of two groove side walls 1031,1032 that is facing with each other and being connected by groove bottom 1033.Groove 103 is connecing
There is width at the level of contacting surface 102WAnd depthD(as shown in Figure 3).
As shown in Figure 1, when have the tire of tyre surface 101 be mounted on its standard rim and with its nominal pressure inflation and
When applying its normal load, contact block 106 has contact block length in tire circumferential directionL.According to ' ETRTO standard
Handbook 2016 ', the standard rim for the size are 6.5J, nominal pressure 250kPa, normal load 615kg.
As shown in Figure 1, being equipped with multiple closing devices 105 in groove 103.Closing device 105 includes one first soft
Property fence (baffle) 1051a and two the second flexible fence (baffle) 1051b, with for be segmented in rolling during contact block
The air column generated between ground and groove 103 in 106.Device 105 is closed in groove 103 along tire circumferential direction side
To with distancePRegular intervals setting.DistancePPreferably than contacting block lengthLIt is short, so that each decorative pattern during rolling
At least one in ditch 103 is closed device 105 and is always positioned in contact block 106.
First flexible fence 1051a has thicknesst1And extend from the groove bottom of groove 103 1033.Two
Two flexible fence 1051b have thicknesst1And extend from each opposite groove side wall 1031,1032.All first and
Two flexible fence 1051a, 1051b are placed on same plane.
First and second flexible fence 1051a, 1051b in circumferential direction (in the sectional view of groove 103) not that
This is overlapping.First and second flexible fence 1051a, 1051b cover 70% face of the cross-sectional area at least equal to groove 103
Product, as shown in Figure 3.
As shown in figure 3, the first flexible fence 1051a have from groove bottom 1033 along tyre surface 101 radially outward
Direction extend pentagon shaped.The width of first flexible fence 1051a is substantially equal to groove bottom at its bottom
1033 width, and the height of the first flexible fence 1051a is less than the depth of groove 103D。
In addition, the radially inward edge of the second flexible fence 1051b tilts upward extension from groove side wall 1031,1032,
Extend to be arranged essentially parallel to the radially outward edge of the first flexible fence 1051a.Second flexible fence 1051b's is radially outside
Edge is arranged essentially parallel to the extension of contact surface 102.The axial length (width) of second flexible fence 1051b is less than groove 103
WidthW。
Other than about the configuration for closing device 105, tyre surface 101 has structure identical with traditional tyre surface, and purport
It is being applied to traditional Pneumatic belt tire and other non-inflatable tyres.Therefore, it will omit to the in-built of tyre surface 101
Description.
Groove 103 is equipped with multiple closing devices 105, each to close diameter of the covering of device 105 at least equal to groove 103
To 70% area of cross-sectional area.Therefore, the length of the air column formed in contact block 106 by groove 103 is turned
Become its length of groove resonance peak except human ear audible frequency range.Therefore, because the air column of groove 103 is total
The resonance of groove caused by shaking can be harmless.
Closing device 105 includes a first flexible fence 1051a and two the second flexible fence 1051b, and each
Second flexible fence 1051b extends from each of opposite groove side wall 1031,1032.Therefore, it can be filled by closing
It sets 105 and effectively broadly covers the cross-sectional area of groove 103 as far as possible, while maintaining to have as the soft of closing device 105
The good productivity of the tyre surface 101 of property fence, because the area of section covered by each flexible fence can reduce, and can
So that the configuration flexibility with higher of first and second flexible fence 1051a, 1051b.
Next, reference Fig. 4, Fig. 5, Fig. 6 and Fig. 7 description to be used to manufacture the molded element 1 of the mold of tyre surface 101.
As shown in figure 4, molded element 1 has base portion 2, the base portion 2, which has, is intended for connecing for molding contact element 104
The molded surface 2a of contacting surface 102.Base portion 2 has two sides 11,12 towards week round about.These side surfaces 11,12
Limit the circumferential ends of molded element 1.
In use, a side 11 of a molded element 1 or 12 with the another side 12 or 11 of adjacent molded element
It is in contact to form mold.
As shown in figure 4, molded element 1 also has groove form ribs part 3.Groove form ribs part 3 has
Trapezoidal cross-section and integrally extend along the radial inwardly direction of molded element 1 from the molded surface 2a of base portion 2.
Groove form ribs part 3 includes be intended for moulding two opposite groove sides 1031,1032 two
A opposite rib side 31,32 and the rib tops 33 for being intended for molding groove bottom 1033.If multiple decorative patterns
Ditch form ribs part 3 is arranged in a molded element 1, then among these groove form ribs parts 3, rib top
The radial position in face 33 can be identical, alternatively, among these groove form ribs parts 3, the radial position of rib tops 33
Setting can be different.
Circumferential lengths short length T of the circumferential lengths of groove form ribs part 3 than base portion 2.As shown in figure 4, decorative pattern
The circumferential end surface 3 ' of ditch form ribs part 3 is located at from the length backward of the side of base portion 2 12TPosition at.In addition, side
Rectangular area in the lower section of groove form ribs part 3 in 12 is from the deflected length backward of the side of base portion 2 12T, so as to shape
At space 35, especially there is depthTRecessed (recess) space 35 of rectangle.
Molded element 1 further includes insertion piece 5, the insertion piece 5 include top 5a and lower part 5b, the top 5a have with
The identical trapezoidal cross-section in groove form ribs part 3, the lower part 5b have rectangle identical with the recessed space 35 of rectangle
Cross section, as shown in Figure 5.
Insertion piece 5 is firmly-fixed to base portion 2 and groove form ribs part 3, so that top 5a is against groove
The circumferential end surface 3 ' of form ribs part 3, and lower part 5b is received in the recessed space 35 of rectangle, as shown in Figure 5.
The above-mentioned deflected length of the circumferential end surface 3 ' of the thickness and groove form ribs part 3 of insertion piece 5TAnd square
The depth in the recessed space 35 of shapeTIt is identical.Therefore, the surface 5 ' of insertion piece 5 is flushed with the side 12 of base portion 2.
Insertion piece 5 is fixed to groove form ribs part 3 by the immobilising device of such as screw, which consolidates
Determine device and extends through hole 55 in hole 351 and insertion piece 5 in groove form ribs part 3.
Insertion piece 5 can be fixed to groove form ribs part 3 by the other modes such as welding, bonding.At this
In the case of kind, hole 55,351 can be not provided with.
Insertion piece 5 can be placed at any part of groove form ribs part 3.If for receiving insertion piece 5
Space be arranged at the position of the side 11,12 not towards molded element 1, then insertion piece 5 for example can be according to WO2010/
Mode disclosed in 146180A1 is placed.
As shown in fig. 7, insertion piece 5 include a notch plate 51 and two support plates 52,52, described two support plates 52,
52 are stacked on the two sides of notch plate 51, so that notch plate 51 is clipped in the middle.
Notch plate 51 has thicknesst1, each support plate 52 is with thicknesst2。
As shown in fig. 6, notch plate 51 includes top recess 511a, the top recess 511a has and the first flexible fence
The pentagon shaped of 1051a complementation, so that direction is radially inwardly opened wide (that is, leading to groove form ribs part 3
Rib tops 33).In addition, notch plate 51 includes two side recess 511b, have complementary with the second flexible fence 1051b
Trapezoidal shape, to open wide (that is, leading to rib side 31 or 32) towards axial direction.
The first flexible fence 1051a, two side recess 511b that top recess 511a is used to form closing device 105 is equal
It is used to form the second flexible fence 1051b for closing device 105.
There is thickness by the notch plate 51a that two support plate 52b are clipped in the middlet1, notch plate 51a is equipped with a top
Recess 511a and two side recess 511b should when in the recessed space 35 of the rectangle for being fixed on groove form ribs part 3
Top recess 511a leads to rib tops 33, when in the recessed space 35 of the rectangle for being fixed on groove form ribs part 3, institute
Two side recess 511b are stated respectively to open wide towards opposite rib side 31,32.
The thickness of notch plate 51t1With the thickness of all support plates 52t2It is at most equal to 2.0mm.Therefore, in the embodiment
The thickness of insertion piece 5 be at most equal to 6.0mm.
These thickness, that is, the thickness of notch plate 51t1With the thickness of support plate 52t2Preferably up to it is equal to 0.8mm, more
Preferably up to it is equal to 0.7mm, and still more preferably at least equal to 0.02mm and at most equal to 0.6mm.
Notch plate 51 and support plate 52 are equipped with the hole 55 of the immobilising device for receiving such as screw.If insertion piece can be with
It is fixed to groove form ribs part 3 via the measure (device) for not needing that there is this hole, then the notch plate 51 of insertion piece 5
It can not include any for receiving the part of immobilising device, such as hole 55 with support plate 52.
Any material (such as metal, resin, plastics or composite material) that the power applied during vulcanization can be resisted is available
In configuration notch plate 51 and support plate 52.
Notch plate 51 and support plate 52 can be for example by manufacturing via silk thread or via laser cutting steel plate.
Notch plate 51 and support plate 52 can completely or partially be covered with non-adhesive material, so as to more preferably and more easily
Demoulding.The non-adhesive material is, for example, xylane.
Since insertion piece 5 includes a part and closing device being more readily formed to the groove 103 for forming tyre surface 101
At least one notch plate 51 of necessary shape for 105 flexible fence 1051, this makes the processing for manufacturing this insertion piece 5
Duration is reduced, and multiple flexible fences 1051 for closing device 105 are equipped in groove 103 to improve and be used to form
Tyre surface 101 molded element 1 productivity.
Since the thickness of the notch plate 51 of composition insertion piece 5 has narrow tolerance compared with other techniques in terms of thickness,
Therefore multiple flexible fences 1051 of the closing device 105 with precise thickness can be formed, to allow to close the soft of device 105
Property fence 1051 present liquid discharge needed for bending.
Since insertion piece 5 includes at least one with thicknesst1Notch plate 51, the notch plate 51 include be used to form
Recess 511a, 511b of the flexible fence 1051a of device 105 are closed, therefore design and locating closing device 105 can be increased
The freedom degree of flexible fence 1051.
Since notch plate 51 includes three recesses 511, one of recess 511 leads to rib tops 33, and other two
Recess 511 respectively leads to different rib sides 31,32, therefore can manufacture to be equipped in groove 103 and close device 105
The tyre surface 101 of flexible fence 1051, one of flexible fence 1051 extends from groove bottom 1033, and other two is flexible
Fence 1051 respectively extends since two opposite groove side walls 1031,1032, and the flexible fence 1051 is with more smart
True thickness simultaneously effective to the greatest extent may be used with allowing to close bending needed for liquid discharge is presented in the flexible fence 1051 of device 105
The cross-sectional area of groove 103 can broadly be covered and maintain the tyre surface for having as the flexible fence 1051 for closing device 105
101 good productivity because the area of section covered by each flexible fence 1051 can be reduced, and can make soft
Property fence 1051 configuration have higher flexibility.
Due to the thickness of notch plate 51t1With the thickness of support plate 52t2It is at most equal to 2.0mm, then because of these thickness
The thickness for closing the flexible fence 1051 of device 105 will be substantially equal to, it is possible to ensure to close the flexible fence of device 105
1051 have satisfactory bending ability to discharge for liquid under hydrodynamic.These thickness, that is, the thickness of notch plate 51
Degreet1With the thickness of support plate 52t2Preferably up to it is equal to 0.8mm, is more preferably up to equal to 0.7mm, still more preferably extremely
It is equal to 0.02mm and at most equal to 0.6mm less.
Since insertion piece 5 further includes at least one with thickness t2 but without the support plate 52 of any recess, the branch
Fagging 52 is arranged on an end of the insertion piece 5 on direction of the groove form ribs part 3 along its extension, therefore
It can be easily adjusted the thickness of insertion piece 5, to compensate the thickness in the recessed space 35 of rectangle, while ensuring to close device 105
The precise thickness of flexible fence 1051.
Since two ends of the insertion piece 5 on the direction that groove form ribs part 3 extends are limited by support plate 52,
Therefore the thickness of insertion piece 5 can be easily adjusted to compensate the thickness in the recessed space 35 of rectangle, while ensures to close device 105
Flexible fence 1051 precise thickness.
Insertion piece 5 can be equipped with multiple notch plates 51, and each notch plate 51 can have and ought be received in the recessed sky of rectangle
Between in 35 when lead to groove form ribs part 3 different piece recess 511.In this case, support plate 52 can be with
It is arranged between each notch plate 51 in same insertion piece.
The molded element of second embodiment according to the present invention is described below with reference to Fig. 8.Fig. 8 is according to the present invention
The schematic diagram of notch plate used in the molded element of second embodiment.Other than configuration shown in Fig. 8, the second embodiment
The construction for being configured similarly to first embodiment, therefore will be described with reference to Fig. 8.
In a second embodiment, notch plate 251 used in insertion piece 25 includes a relatively large recess 2511, when slotting
When entering part 25 and being received in the recessed space 35 of rectangle of groove form ribs part 3, which leads to rib tops
33.Recess 2511 is used to form the flexible fence 1051 of the closing device 105 extended from groove bottom 1033.Notch plate 251
Equipped with the part 255 to receive immobilising device.
Since notch plate 251 includes a recess 2511 for leading to rib tops 33, can manufacture in groove 103
In be equipped with close device 105 flexible fence 1051 tyre surface 101, the flexible fence 1051 from groove bottom 1033 extend
And there is more accurate thickness, to allow to close bending needed for liquid discharge is presented in the flexible fence 1051 of device 105.
The molded element of third embodiment according to the present invention is described below with reference to Fig. 9.Fig. 9 is according to the present invention
The schematic diagram of notch plate used in the molded element of 3rd embodiment.Other than configuration shown in Fig. 9, the 3rd embodiment
The construction for being configured similarly to first embodiment, therefore will be described with reference to Fig. 9.
In the third embodiment, the notch plate 451 used in insertion piece 45 includes two recesses 4511, when insertion piece 45
When being received in the recessed space 35 of rectangle of groove form ribs part 3, each recess 4511 leads to different rib sides
Face 31,32.Recess 4511 is used to form the flexible fence 1051 for closing device 105, and each flexible fence 1051 is from different flowers
Groove side wall 1031,1032 extends.Notch plate 451 is equipped with the hole 455 to receive immobilising device.
Since notch plate 451 includes two recesses 4511, each recess 4511 leads to different rib sides 31,32, because
This can manufacture the tyre surface 101 for being equipped in groove 103 and closing the flexible fence 1051 of device 105, the flexible fence
1051 extend from two opposite groove side walls 1031,1032 and have more accurate thickness, to allow to close device 105
Bending needed for liquid discharge is presented in flexible fence 1051.
The molded element of fourth embodiment according to the present invention is described below with reference to Figure 10.Figure 10 is according to the present invention
Fourth embodiment molded element used in notch plate schematic diagram.Other than configuration shown in Fig. 10, the 4th is real
The construction for being configured similarly to first embodiment of example is applied, therefore will be described with reference to Figure 10.
In the fourth embodiment, the notch plate 751 of insertion piece 75 includes a recess 7511, and the recess 7511 is when insertion
Part 75 leads to a rib side 31 (or 32) when being received in the recessed space 35 of rectangle of groove form ribs part 3.
Recess 7511 is used to form the flexible fence 1051 of the closing device 105 extended from a groove side wall 1031 (or 1032).
Notch plate 751 is equipped with the part 755 to receive immobilising device.
Since notch plate 751 includes the recess 7511 for leading to one of rib side 31 (or 32), can manufacture
The tyre surface 101 for closing the flexible fence 1051 of device 105 is equipped in groove 103, the flexible fence 1051 is from opposite
One of groove side wall 1031 (or 1032) extends and has more accurate thickness, to allow to close the flexible fence of device 105
1051 are presented the required bending of liquid discharge.
The present invention is not limited to the examples with shown in, and various repair can be carried out in the case where not departing from its frame
Change.
Appended drawing reference
1 molded element
11,12 side
2 base portions
2a molded surface
3 groove form ribs parts
31,32 rib side
33 rib tops
The recessed space of 35 rectangles
351 holes
5 insertion pieces
51 notch plates
511 recesses
52 support plates
55 holes
101 tyre surfaces
102 contact surfaces
103 grooves
1031,1032 groove side
1033 groove bottoms
104 contact elements
105 close device
1051 flexible fences (baffle)
106 contact blocks
Claims (10)
1. a kind of molded element (1) of the mold of the tyre surface (101) for manufacturing tire, the tyre surface (101) has by multiple
Multiple contact elements (104) that groove (103) limits, the molded element (1) have molded surface (2a) and groove at
Shape rib portion (3), the molded surface (2a) be used to form the contact element (104) be intended for during rolling with
The contact surface (102) of ground face contact, groove form ribs part (3) be used to form groove (103) and including with
In two opposite rib sides (31,32) for forming two opposite groove sides (1031,1032) and by two ribs
Side (31,32) is connected and is used to form the rib tops (33) of groove bottom (1033), the groove form ribs
Partially (3) provide the space (35) for leading at least one of the rib tops (33) and/or the rib side (31,32)
And it is received in the space (35) and is used to form closing in a part and groove (103) of groove (103)
The insertion piece (5) of device (105), the molded element are characterized in that the insertion piece (5) includes at least one with thicknesst1Forming board, the notch plate (51) include at least one be used to form close device (105) flexible fence (1051)
Recess (511).
2. molded element (1) according to claim 1, wherein the notch plate (51) includes that at least one leads to rib top
The recess (511) in face (33).
3. molded element (1) according to claim 1, wherein the notch plate (51) includes that at least one leads to the rib
The recess (511) of at least one of side (31,32).
4. molded element (1) according to claim 1, wherein the notch plate (51) includes two recesses (511), wherein
Each recess (511) respectively leads to different rib sides (31,32).
5. molded element (1) according to claim 1, wherein the notch plate (51) includes three recesses (511), wherein
One recess (511) leads to the rib tops (33), other two recess (511) respectively lead to different rib sides (31,
32)。
6. molded element (1) according to any one of claims 1 to 5, wherein the insertion piece (5) further includes at least
One has thicknesst2But do not have the support plate (52) of any recess, the support plate (52) is adjacent with the notch plate (51)
It places on ground.
7. molded element (1) according to claim 6, wherein the thickness of the notch plate (51)t1With the support plate
(52) thicknesst2It is at most equal to 2.0mm.
8. molded element (1) according to claim 6 or 7, wherein the notch plate (51) is placed on the support plate
(52) between.
9. it is a kind of for vulcanizing and the mold of the tyre surface of molded tire, wherein the mold includes at least one according to claim
Molded element described in any one of 1 to 8 (1).
10. a kind of tyre surface, the tyre surface is moulded and is vulcanized using mold according to claim 9.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2016/066706 WO2017208464A1 (en) | 2016-05-31 | 2016-05-31 | Molding element for manufacturing a noise reducing tread |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109195765A true CN109195765A (en) | 2019-01-11 |
| CN109195765B CN109195765B (en) | 2021-03-12 |
Family
ID=60479208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680086237.3A Active CN109195765B (en) | 2016-05-31 | 2016-05-31 | Moulding element for manufacturing a noise-reducing tread |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US11628640B2 (en) |
| EP (1) | EP3463788B1 (en) |
| CN (1) | CN109195765B (en) |
| WO (1) | WO2017208464A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3463786B1 (en) * | 2016-05-31 | 2021-12-01 | Compagnie Générale des Etablissements Michelin | Molding element for manufacturing a noise reducing tread |
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| JPS63278807A (en) * | 1987-05-11 | 1988-11-16 | Toyo Tire & Rubber Co Ltd | Mold for vulcanization molding of tire |
| EP0246995B1 (en) * | 1986-05-19 | 1993-01-27 | The Goodyear Tire & Rubber Company | Tire treads |
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| WO2002060705A1 (en) * | 2001-01-29 | 2002-08-08 | Société de Technologie Michelin | Tyre tread that reduces the rolling noise |
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| CN102834250A (en) * | 2009-06-19 | 2012-12-19 | 米其林企业总公司 | Removable device for molding a flexible wall in the groove of a tire pattern |
| JP5545742B2 (en) * | 2010-09-30 | 2014-07-09 | 株式会社ブリヂストン | tire |
| CN104114352A (en) * | 2012-02-13 | 2014-10-22 | 米其林企业总公司 | Mold for vulcanizing a tire tread, comprising at least one added element in a cord |
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| JP3815758B2 (en) | 1997-10-06 | 2006-08-30 | 株式会社ブリヂストン | Heavy duty pneumatic tire |
| JP2010052699A (en) | 2008-08-29 | 2010-03-11 | Bridgestone Corp | Tire |
| JP5615680B2 (en) * | 2010-12-01 | 2014-10-29 | 株式会社ブリヂストン | tire |
| FR2991234B1 (en) | 2012-05-31 | 2015-04-03 | Michelin & Cie | METHOD FOR MANUFACTURING A FLEXIBLE WALL IN A PNEUMATIC BEARING TRAP |
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2016
- 2016-05-31 CN CN201680086237.3A patent/CN109195765B/en active Active
- 2016-05-31 WO PCT/JP2016/066706 patent/WO2017208464A1/en unknown
- 2016-05-31 US US16/305,520 patent/US11628640B2/en active Active
- 2016-05-31 EP EP16904088.8A patent/EP3463788B1/en active Active
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|---|---|---|---|---|
| JPS59124835A (en) * | 1982-12-29 | 1984-07-19 | Bridgestone Corp | Mold for forming tire and its manufacture |
| EP0246995B1 (en) * | 1986-05-19 | 1993-01-27 | The Goodyear Tire & Rubber Company | Tire treads |
| JPS63278807A (en) * | 1987-05-11 | 1988-11-16 | Toyo Tire & Rubber Co Ltd | Mold for vulcanization molding of tire |
| DE4403662A1 (en) * | 1994-02-05 | 1995-08-10 | Uniroyal Englebert Gmbh | Vehicle tyre with variable tread profile and adjustment process |
| CN1142443A (en) * | 1995-07-14 | 1997-02-12 | 倍耐力轮胎有限公司 | Multi-purpose tyre for motor-vehicles |
| EP0965464A2 (en) * | 1998-06-19 | 1999-12-22 | Sumitomo Rubber Industries Ltd. | Heavy duty tyre |
| WO2002060705A1 (en) * | 2001-01-29 | 2002-08-08 | Société de Technologie Michelin | Tyre tread that reduces the rolling noise |
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| CN104114352A (en) * | 2012-02-13 | 2014-10-22 | 米其林企业总公司 | Mold for vulcanizing a tire tread, comprising at least one added element in a cord |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3463788A1 (en) | 2019-04-10 |
| EP3463788B1 (en) | 2020-12-30 |
| US11628640B2 (en) | 2023-04-18 |
| CN109195765B (en) | 2021-03-12 |
| US20200391460A1 (en) | 2020-12-17 |
| WO2017208464A1 (en) | 2017-12-07 |
| EP3463788A4 (en) | 2019-12-18 |
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